a Fig. 6.
Cocoon mesh structure (A) Cocoon with mesh structure (Cricula trifenestrata) Scale bar: 1 mm (B) The nonwoven wall of cocoon with mesh structure (Cricula trifenestrata) Scale bar: 200 μm (C) Cocoon with a lattice structure (Caligula simla) Scale bar: 1 mm (D) Cocoon with holes (Opodiphthera eucalypti) Scale bar: 500 μm (E) The nonwoven wall of cocoon with holes (Opodiphthera eucalypti) Scale bar: 200 μm (F) Cocoon with a lattice structure (Caligula cachara) Scale bar: 200 μm.